What were the strengths and positive aspects of the Catholic faith at the beginning of the Renaissance period?

The questions to be answered are: This question is about religion in Europe: 1. What were the strengths and positive aspects of the Catholic faith at the beginning of the Renaissance period? 2. What did the Protestant Reformation offer in opposition to the Catholic faith and practice? 3. Why was the Thirty Years War a blow to both Catholicism and Protestantism? Make sure you answer all of the questions. Also, make sure you give page numbers and citation information for all resources you use. Make sure you answer both parts of the question.